/Engine/Source/Runtime/NavigationSystem/Public/NavigationSystem.h
virtual int GetNavigationBoundsForNavData ( const [ANavigationData](API\Runtime\NavigationSystem\ANavigationData) & NavData, [TArray](API\Runtime\Core\Containers\TArray)< FBox > & OutBounds, [ULevel](API\Runtime\Engine\Engine\ULevel) * InLevel ) const